1 files changed, 52 insertions, 0 deletions
diff --git a/src/rocksdb/utilities/blob_db/blob_db_gc_stats.h b/src/rocksdb/utilities/blob_db/blob_db_gc_stats.h
new file mode 100644
index 000000000..1e6e4a25d
--- /dev/null
+++ b/src/rocksdb/utilities/blob_db/blob_db_gc_stats.h
@@ -0,0 +1,52 @@
+//  Copyright (c) 2011-present, Facebook, Inc.  All rights reserved.
+//  This source code is licensed under both the GPLv2 (found in the
+//  COPYING file in the root directory) and Apache 2.0 License
+//  (found in the LICENSE.Apache file in the root directory).
+//
+#pragma once
+
+#ifndef ROCKSDB_LITE
+
+namespace ROCKSDB_NAMESPACE {
+
+namespace blob_db {
+
+/**
+ * Statistics related to a single garbage collection pass (i.e. a single
+ * (sub)compaction).
+ */
+class BlobDBGarbageCollectionStats {
+ public:
+  uint64_t AllBlobs() const { return all_blobs_; }
+  uint64_t AllBytes() const { return all_bytes_; }
+  uint64_t RelocatedBlobs() const { return relocated_blobs_; }
+  uint64_t RelocatedBytes() const { return relocated_bytes_; }
+  uint64_t NewFiles() const { return new_files_; }
+  bool HasError() const { return error_; }
+
+  void AddBlob(uint64_t size) {
+    ++all_blobs_;
+    all_bytes_ += size;
+  }
+
+  void AddRelocatedBlob(uint64_t size) {
+    ++relocated_blobs_;
+    relocated_bytes_ += size;
+  }
+
+  void AddNewFile() { ++new_files_; }
+
+  void SetError() { error_ = true; }
+
+ private:
+  uint64_t all_blobs_ = 0;
+  uint64_t all_bytes_ = 0;
+  uint64_t relocated_blobs_ = 0;
+  uint64_t relocated_bytes_ = 0;
+  uint64_t new_files_ = 0;
+  bool error_ = false;
+};
+
+}  // namespace blob_db
+}  // namespace ROCKSDB_NAMESPACE
+#endif  // ROCKSDB_LITE